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With the infinite amount of numbers and their usages in our everyday lives, we come across Composite Numbers. Additionally, among the different types of numbers that are a part of mathematics, Composite numbers stand out for their unique properties and significance. Read on to learn more in detail about Composite numbers from 1 to 100, their properties, and the difference between Prime Numbers and Composite Numbers.
Also Read: Multiplication and Division Word Problems
What are Composite numbers?
Composite numbers are positive integers greater than 1 that have at least one divisor other than 1 and themselves. In simpler terms, these are numbers that can be divided evenly by numbers other than 1 and themselves. For example, 4 is a Composite number because it can be divided evenly by 1, 2, and 4.
Moreover, the key properties of Composite numbers are:
- They have more than two factors.
- In addition, they are evenly divisible by their factors.
- Each composite number is a factor of itself.
- The smallest composite number is 4.
- Each composite number includes at least two prime numbers as its factors (e.g. 10 = 2 x 5, where 2 and 5 are prime numbers).
- Composite numbers are divisible by other composite numbers as well.
Also Read: Order of Operations and PEMDAS Rule
Table of Composite Numbers from 1 to 100
Furthermore, here are all the Composite Numbers from 1 to 100 in Green!
Prime Numbers vs Composite Numbers
Furthermore, here is the difference between Prime and Composite Numbers:
| Prime Numbers vs Composite Numbers | ||
| Feature | Prime Numbers | Composite Numbers |
| Definition | Have only two factors: 1 and the number itself | Have more than two factors |
| Examples | 2, 3, 5, 7, 11… | 4, 6, 8, 9, 10, 12… |
| Factors | Factors are 1 and the number itself | Have factors other than 1 and the number itself |
| Properties | Can only be divided by 1 and itself | Can be divided by numbers other than 1 and itself |
| Odd/Even | Except for 2, all prime numbers are odd | Can be odd or even |
| Prime Factorization | Prime numbers have no prime factors other than 1 | Can be expressed as a unique product of primes |
| HCF of Prime Numbers | The Highest Common Factor of prime numbers is 1 | Prime numbers have no common factors other than 1 |
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